Adipose Tissue Separation Canister With Pressure Equalization
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Solution Overview
Problem
Current methods for large-scale isolation and refinement of liposuction-harvested adipose tissue are inefficient, cumbersome, and traumatic, lacking standard devices that maintain a sterile environment and minimize tissue manipulation.
Innovation Solution
A canister device with an adjustable height filtration assembly and air pressure equalization, allowing for atraumatic separation of pure fat from fatty liposuction aspirate using a mesh-like material, maintaining a sterile environment and reducing tissue manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If centrifuge methods are used to separate adipose tissue, then separation efficiency is improved, but tissue trauma increases and process complexity increases
Solution Approach 1:
The patent introduces a filtration assembly with a filter as an intermediary component between the liposuction aspirate intake and the collection chamber. This filter physically separates adipose tissue from fluids and contaminants without requiring centrifugal force, thereby achieving separation efficiency while minimizing tissue trauma by avoiding high-speed rotation and mechanical stress associated with centrifuges
Solution Approach 2:
The patent replaces the mechanical centrifugal separation system with a passive filtration system. Instead of using a centrifuge that relies on rotational mechanical force to separate components by density, the invention uses a filter-based system where separation occurs through physical filtration as the aspirate passes through the filter material, eliminating the need for complex mechanical rotation and reducing tissue trauma
2Manufacturing precision
If multiple processing steps are used to separate and refine adipose tissue, then purification is improved, but process time increases and tissue trauma increases
Solution Approach 1:
The patent combines multiple separation functions into a single integrated filtration assembly. The filter simultaneously separates adipose tissue from oils, blood, anesthetic solutions, and other contaminants in one pass, eliminating the need for multiple sequential processing steps such as centrifugation, decanting, and repeated filtration, thereby reducing process time while maintaining purification quality
Solution Approach 2:
The filtration assembly is designed with segmented functional zones including an upper vacuum chamber, a filter layer, and a lower collection chamber. This segmentation allows different separation functions to occur in distinct zones within a single device, enabling efficient one-step separation while maintaining organizational structure for easy cleaning and maintenance
3Quantity of substance
If traditional liposuction methods are used, then tissue harvest is achieved, but tissue trauma increases and sterile environment maintenance becomes difficult
Solution Approach 1:
The filtration assembly acts as an intermediary barrier that allows adipose tissue to pass through while blocking fluids and contaminants. This intermediate filtration step protects the harvested tissue from direct contact with traumatic processing elements and maintains a sterile environment by filtering out contaminants before they can contaminate the collected adipose tissue
Solution Approach 2:
The patent extracts and removes unwanted components (fluids, oils, blood, anesthetic solutions) from the liposuction aspirate through the filtration process, leaving behind purified adipose tissue. This extraction process minimizes tissue trauma by separating contaminants from the tissue in a gentle, non-mechanical filtration process rather than through aggressive mechanical means
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates efficient, low-cost, and atraumatic separation of pure fat from adipose tissue, minimizing trauma and maintaining a sterile environment, thereby improving the success of fat grafting procedures.
Implementation Method 1
A filtration assembly can be arranged within the canister body and can include a filtering material separating the volume into an upper vacuum chamber and a lower vacuum chamber
Implementation Method 2
An air pressure equalizing line can be operatively mounted to the canister device to allow fluid connection between the upper vacuum chamber and the lower vacuum chamber
Implementation Method 3
the present teachings relate to a separation device for use with a suction source to withdraw and separate body fluids and tissue specimens from a patient
Data Source
AI summary
A tissue separating device and a method of separating pure fat are provided. The tissue separating device includes a canister device including canister body having a sidewall defining a volume. A tissue retrieval port can be arranged on the canister device and arranged in fluid communication with a harvesting device for directing a fatty liposuction aspirate into the canister device. An adjustable height filtration assembly can be arranged within the canister body. A tissue harvesting port can be arranged in the sidewall of the canister body and can be in communication with a collection device to allow the tissue harvesting port to atraumatically receive a filtered pure fat. An air pressure equalizing line can be operatively mounted to the canister device to allow fluid connection between the upper vacuum chamber and the lower vacuum chamber. The filtration assembly can be movably arranged within the canister body.